Trail Running calendar near Builth Wells 2025-2026

Join the Pendock Spring Chicken Run on 15 March 2026 for scenic Worcestershire routes with 10K, 5K and a 1K fun run for all ages. Enjoy medals, prizes and help raise funds for the local school.

Ras yr Aran on 28 March 2026 starts from Llanuwchllyn village hall near Bala and offers a testing 10 mile senior race with about 945 m of ascent across classic North Wales terrain. Teams and juniors welcome with limited entries.

Take on the Forest of Dean Spring Trails Half Marathon, a scenic way marked trail loop through ancient woodland starting and finishing at the Speech House Hotel. Organised by the local Rotary Club, it is chip timed and supports charity.

Take on the Red Warrior multi terrain races at Margam Country Park on 22 March 2026, with 5K, 10K and 20K routes for solo runners and canicross teams. Expect varied trails, friendly vibes and a great day out for competitors and their dogs a..

Beyond Bristol offers scenic 25 km and 55 km trail routes that follow the River Avon, pass beneath Clifton Suspension Bridge and climb through Leigh Woods. Fully waymarked with feed stations, chip timing and a finishers medal.

Run past the Royal Crescent and along the River Avon in the Bath 50 Ultra Challenge on Sat 28 March 2026, starting from Bath Racecourse. Choose 50 km, 29 km or 10 km loops with full support, a finisher medal, T shirt and a hot finish meal f..

Join a friendly, inclusive trail challenge at Moel Famau on 28 March 2026. The Piece of String race at Bwlch Penbarras is a surprise 6 to 12 km hill run with canicross first and a medal and chocolate for finishers.

Guided recce of the Glyders from Capel Curig, 15 km with 1,830 m of ascent, led in small groups by Mountain Leader qualified guides. Ideal for fell runners wanting a taste of the Paddy Buckley Round on 28 March 2026.

Take on a scenic 32 mile loop from Baggeridge Country Park on 29 March 2026, mostly traffic free and featuring canal towpaths and a compulsory head torch section through the 2.7 km Netherton Tunnel. Enter solo, as a pair or a team of four f..

Join a guided recce of the iconic Paddy Buckley leg from Ogwen Valley to Capel Curig in Snowdonia, covering 16 km with 1,245 m of ascent. Small groups led by experienced mountain leaders deliver a scenic, challenging day on classic Welsh pe..

Join the Run Upcote Spring Trail on 29 March 2026 at Upcote Farm for a scenic 5 mile off road race across bridleways, farm tracks and forest paths with testing climbs and descents. Entries are limited so expect a friendly, well supported ev..

Take on the finale of the Shropshire Winter Series at Ercall Wood, a tough 8.8 km fell race climbing 519 m on scenic Ercall Hill. Pre entry or on the day entries accepted and junior races run for ages 12 to 17.

The Aberdyfi Half Marathon will take place in Aberdyfi on Saturday 4 April 2026.

Inaugural BOWUM on 4 April 2026 from Monmouth: a 30 mile circular ultra across the Borderlands of Wales. Mostly trail, with scenic castle views on parts of the Three Castles Walk and Offa's Dyke Path, three manned checkpoints and a finisher..

Run the iconic Pendine Sands on 5 April 2026 with beach out and back routes from 5k to a 32.8 mile ultra. Expect a scenic tidal course with bespoke finisher medals and trophies for top runners.

Enjoy a scenic, multi terrain loop around Chasewater Reservoir this Easter with friendly marshals, bespoke medals and optional costume fun. Distances from junior runs to 20k make it perfect for families and club runners alike.

Steam to the coast then run back to Minehead along scenic trails and the ridgelines of the Quantock Hills. Choose 11 km, 11 miles or the 26.2 mile marathon as heritage steam trains ferry runners to their starts.

Discover the Vale Coastal Races on 11 April 2026 with 32.5 mile ultra, 18.5 mile and 10 mile trail options. The Wales Coast Path hugs cliffs, beaches and coves, finishing at Ogmore by Sea with marked notes and checkpoints.

Enjoy stunning coastal, woodland and dune trails at Oxwich Bay with 5 km, 10 km or a self navigated half marathon. Part of the Run The Trails Series, the event is timed and all finishers receive a medal.

Take on the Llangollen Fell Race on 12 April 2026 with three scenic but testing routes from 5 miles to 28 km across the North Wales hills. Race HQ serves tea, coffee and cakes and entry is open in advance or on the day.